Lockups during large copies

Eugene Gluzberg ataraid at lists.hottermail.net
Sat Apr 23 03:55:47 UTC 2005

I actually just re-did this experiment again, this time running top in
another window. Memory usage shoots up instantly as soon as I start CP
and does not get released at all. System simply locks up completly after
several minutes.

BTW, my swap device is also on this raid.

Where should I look for the bug?

Eugene Gluzberg wrote:
> I am running latest Gentoo on my AMD 64 machine, in 64 bit mode. My
> primary disk is on a SIL fakeraid on 2 mirrored sata disks. I am running
> device mapper, udev, and dmraid. have my root partition using reiserfs
> (version 3). When I do large cp operations (like copying a 2GB file), my
> system locks - slowly. Like over several minutes the system becomes less
> and less responsive, as if the load or memory use is rising until it
> finally locks up completely. This problem is reproduceble. A hardware
> reboot is needed every time. There is no messages in the kernel log that
> indicate the problem. Has anyone seen this? How do I investigate it?
> 2.6.11-gentoo-r6
> x86_64 AMD Athlon(tm) 64 Processor 3200+ AuthenticAMD
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